body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: "Exo", sans-serif;
    color: #fff;
    background: linear-gradient(-45deg, #fbc2eb, #a6c1ee, #fbc2eb, #a6c1ee);
    background-size: 400% 400%;
    animation: gradientBG 5s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    height: 100%;
    /*background: linear-gradient(to right, #fbc2eb, #a6c1ee);*/
}

.login-form {
    background-color: #fff;
    width: 350px;
    height: 500px;
    border-radius: 15px;
    box-shadow: 0 0 10px #a6c1ee;

    /* 瀹氫綅鍒颁腑蹇� */
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.text {
    /* 鏍囬Login鐨勬牱寮� */
    font-size: 30px;
    font-weight: bold;
    color: #2c2c2c;
    text-align: center;
    line-height: 80px;
    margin-top: 40px;
}

.form-item, .btn, .other {
    margin: 40px auto;
    width: 90%;
    color: #2c2c2c;
}

input {
    width: 80%;
    margin-top: 20px;
    padding: 10px;
    /* placeholder鍙樻洿涓哄ぇ鍐欏瓧浣� */
    /*text-transform: uppercase;*/
    /* 杈规鏁堟灉 */
    border: 0;
    outline: none;
    border-bottom: 1px solid #fbc2eb;
}

input::placeholder {
    font-weight: bold;
    color: #acb7c9;
}

input:focus {
    /* 褰撹緭鍏ユ鑾峰彇鐒︾偣鏃剁殑鏁堟灉 */
    /* box-shadow: 0px 0px 5px #fbc2eb;
    border-bottom: 1px solid #fff; */
    animation: bBottom 2s infinite;
}

@keyframes bBottom {
    50% {
        border-bottom: 1px solid #a6c1ee;
    }
}

.btn {
    height: 40px;
    line-height: 40px;
    /* 瀛椾綋 */
    color: #fff;
    font-weight: bold;
    letter-spacing: 10px;
    text-align: center;
    /* 榧犳爣鏍峰紡 */
    cursor: pointer;
    /* 杈规銆佽儗鏅� */
    border-radius: 10px;
    width: 80%;
    background: linear-gradient(to right, #fbc2eb, #a6c1ee, #fbc2eb);
    background-size: 200%;
}

.btn:hover {
    animation: btnAnimate 1s infinite;
}

@keyframes btnAnimate {
    50% {
        background-position: 200%;
    }
}

a {
    text-decoration: none;
    color: #fbc2eb;
}